Finding the Fourth Proportional to 3,817,686.68, 5,726,232.28 and 2,219,230.24
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Solution
The fourth proportional to 3,817,686.68, 5,726,232.28 and 2,219,230.24 is: 3,328,672.28
Step by Step Solution
- Step 1: Write the proportion equation
3,817,686.68 : 5,726,232.28 = 2,219,230.24 : x - Step 2: Convert to fraction form
3,817,686.68/5,726,232.28 = 2,219,230.24/x - Step 3: Cross multiply
3,817,686.68x = 5,726,232.28 × 2,219,230.24 - Step 4: Simplify right side
3,817,686.68x = 12,707,827,837,040.15 - Step 5: Solve for x
x = 12,707,827,837,040.15/3,817,686.68 - Step 6: Final answer
x = 3,328,672.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.